package com.wy.panda.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import com.wy.panda.common.base.dao.PandaSqlInjector;
import com.wy.panda.mybatisplus.PandaMetaObjectHandler;

/**
 * Mybatis Plus插件配置
 *
 * @author WangYuan
 * @since 2020年7月31日 下午7:11:34
 */
@Configuration
public class MybatisPlusConfig {

	@Bean
	public PandaMetaObjectHandler metaObjectHandler() {
		return new PandaMetaObjectHandler();
	}
	
	@Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        //设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        paginationInterceptor.setOverflow(false);
        //设置最大单页限制数量，默认 500 条，-1 不受限制
        paginationInterceptor.setLimit(-1);
        //开启 count 的 join 优化,只针对部分 left join
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        
        return paginationInterceptor;
    }
	
	@Bean
	public ISqlInjector sqlInjector() {
		return new PandaSqlInjector();
	}
}
